Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  efeatss | Normal | 4.71 minutes |
| (Co-op) l4d_airport02_offices | efeatss | Normal | 9.05 minutes |
| (Co-op) l4d_airport03_garage | efeatss | Normal | 12.67 minutes |
| (Co-op) l4d_airport04_terminal | efeatss | Normal | 7.92 minutes |
| (Co-op) l4d_airport05_runway | efeatss | Normal | 5.18 minutes |
